function changeOpac(opacity, id)
{
	var object = document.getElementById(id).style;
	object.opacity = (opacity / 100);
	object.MozOpacity = (opacity / 101);
	object.KhtmlOpacity = (opacity / 100);
	object.filter = "alpha(opacity=" + opacity + ")";
}

function blendimage(divid, imageid, imagefile, millisec)
{
var speed = Math.round(millisec / 10);
var timer = 0;

//set the current image as background
document.getElementById(divid).style.background = "url(" + document.getElementById(imageid).src + ") no-repeat";

//make image transparent
changeOpac(0, imageid);

//make new image
document.getElementById(imageid).src = imagefile;
//fade in image
for(i = 0; i <= 100; i++)
{
setTimeout("changeOpac(" + i + ",'" + imageid + "')",(timer * speed));
timer++;
}
}

var slideCache = new Array();
function RunSlideShow(divid,imageid,imageFiles, displaySecs)
{

	var imageSeparator = imageFiles.indexOf(";");
	var nextImage = imageFiles.substring(0,imageSeparator);
	
	changeOpac(0, imageid);
	blendimage(divid,imageid,nextImage,200);
	
	var futureImages= imageFiles.substring(imageSeparator+1,imageFiles.length)+ ';' + nextImage;
	setTimeout("RunSlideShow('"+divid+"','"+imageid+"','"+futureImages+"',"+displaySecs+")",displaySecs*1000);
	
	// Cache the next image to improve performance.
	imageSeparator = futureImages.indexOf(";");
	nextImage = futureImages.substring(0,imageSeparator);
	if (slideCache[nextImage] == null)
	{
	slideCache[nextImage] = new Image;
	slideCache[nextImage].src = nextImage;
	}
}